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Yumi Finance
C4 Korea South
A checkout SDK and API enabling merchants to offer buy-now-pay-later with crypto, using onchain and offchain data for credit underwriting.
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More from Cohort 4
Archer Exchange
C4 · India
An MEV-resistant decentralized exchange on Solana using dual batch flow auctions to offer competitive pricing and reduce latency races.
Capitola Research
C4 · United States
A prediction markets meta-aggregator, routing trades across multiple prediction market venues for best execution.
Cloak
C4 · Brazil
A privacy layer for Solana enabling confidential transactions through decentralized pools and miner-driven anonymity sets, protecting users from transaction tracing.